package com.tanhua.server.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.ObjectUtil;
import com.alibaba.dubbo.config.annotation.Reference;
import com.tanhua.common.pojo.User;
import com.tanhua.common.pojo.UserInfo;
import com.tanhua.common.service.PicUploadService;
import com.tanhua.common.utils.RelativeDateFormat;
import com.tanhua.common.utils.UserThreadLocal;
import com.tanhua.common.vo.PicUploadResult;
import com.tanhua.dubbo.server.api.QuanZiApi;
import com.tanhua.dubbo.server.pojo.Comment;
import com.tanhua.dubbo.server.pojo.Publish;
import com.tanhua.dubbo.server.vo.PageInfo;
import com.tanhua.server.service.QuanZiService;
import com.tanhua.server.service.UserInfoService;
import com.tanhua.server.service.UserService;
import com.tanhua.server.vo.CommentVo;
import com.tanhua.server.vo.PageResult;
import com.tanhua.server.vo.QuanZiVo;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;

@Service
public class QuanZiServiceImpl implements QuanZiService {

    @Reference(version = "1.0.0")
    private QuanZiApi quanZiApi;

    @Autowired
    private UserService userService;

    @Autowired
    private UserInfoService userInfoService;

    @Autowired
    private PicUploadService picUploadService;

    @Override
    public PageResult queryPublishList(Integer page, Integer pageSize) {
        //分析：通过dubbo中的服务查询用户的好友动态
        //通过mysql查询用户的信息，回写到结果对象中（QuanZiVo）

        PageResult pageResult = new PageResult();
        pageResult.setPage(page);
        pageResult.setPagesize(pageSize);

        //直接从ThreadLocal中获取对象
        User user = UserThreadLocal.get();

        //通过dubbo查询数据
        PageInfo<Publish> pageInfo = this.quanZiApi.queryPublishList(user.getId(), page, pageSize);
        List<Publish> records = pageInfo.getRecords();
        if (CollUtil.isEmpty(records)) {
            return pageResult;
        }

        pageResult.setItems(this.fillQuanZiVo(records));
        return pageResult;
    }

    //填充用户信息
    public void fillUserInfoToQuanZiVo(UserInfo userInfo,QuanZiVo quanZiVo){
        BeanUtil.copyProperties(userInfo, quanZiVo, "id");
        quanZiVo.setGender(userInfo.getSex().name().toLowerCase());
        quanZiVo.setTags(StringUtils.split(userInfo.getTags(), ','));

        //当前用户
        User user = UserThreadLocal.get();

        quanZiVo.setCommentCount(0); //TODO 评论数
        quanZiVo.setDistance("1.2公⾥"); //TODO 距离
        quanZiVo.setHasLiked(quanZiApi.queryUserIsLike(user.getId(),quanZiVo.getId()) ? 1 : 0); //是否点赞（1是，0否）
        quanZiVo.setLikeCount(Convert.toInt(quanZiApi.queryLikeCount(quanZiVo.getId()))); //点赞数
        quanZiVo.setHasLoved(quanZiApi.queryUserIsLove(user.getId(),quanZiVo.getId()) ? 1 : 0); //TODO 是否喜欢（1是，0否）
        quanZiVo.setLoveCount(Convert.toInt(quanZiApi.queryLoveCount(quanZiVo.getId()))); //TODO 喜欢数
    }

    //发布动态
    @Override
    public String savePublish(String textContent, String location, String latitude, String longitude, MultipartFile[] multipartFile) {
        //查询当前的登录信息
        User user = UserThreadLocal.get();

        Publish publish = new Publish();
        publish.setUserId(user.getId());
        publish.setText(textContent);
        publish.setLocationName(location);
        publish.setLatitude(latitude);
        publish.setLongitude(longitude);
        publish.setSeeType(1);

        List<String> picUrls = new ArrayList<>();
        //图⽚上传
        for (MultipartFile file : multipartFile) {
            PicUploadResult picUploadResult = picUploadService.upload(file);
            picUrls.add(picUploadResult.getName());
        }

        publish.setMedias(picUrls);
        return quanZiApi.savePublish(publish);
    }

    @Override
    public PageResult queryRecommendPublishList(Integer page, Integer pageSize) {
        //分析:通过dubbo中的服务查询系统推荐动态
        //通过mysql查询用户的信息,回写到结果对象中(QuanZiVo)

        PageResult pageResult = new PageResult();
        pageResult.setPage(page);
        pageResult.setPagesize(pageSize);

        //直接从ThreadLocal中获取对象
        User user = UserThreadLocal.get();

        //通过dubbo查询数据
        PageInfo<Publish> pageInfo = quanZiApi.queryRecommendPublishList(user.getId(), page, pageSize);
        List<Publish> records = pageInfo.getRecords();
        if (CollUtil.isEmpty(records)){
            return pageResult;
        }

        pageResult.setItems(fillQuanZiVo(records));
        return pageResult;
    }

    //动态点赞
    @Override
    public Long likeComment(String publishId) {
        User user = UserThreadLocal.get();

        Boolean result = quanZiApi.likeComment(user.getId(), publishId);
        if (result){
            //查询点赞数
            return quanZiApi.queryLikeCount(publishId);
        }
        return null;
    }

    //动态取消点赞
    @Override
    public Long disLikeComment(String publishId) {
        User user = UserThreadLocal.get();

        Boolean result = quanZiApi.disLikeComment(user.getId(), publishId);
        if (result){
            //查询点赞数
            return quanZiApi.queryLikeCount(publishId);
        }
        return null;
    }

    @Override
    public Long loveComment(String publishId) {
        User user = UserThreadLocal.get();
        //喜欢
        Boolean result = quanZiApi.loveComment(user.getId(), publishId);
        if (result){
            //查询喜欢数
            return quanZiApi.queryLoveCount(publishId);
        }
        return null;
    }

    @Override
    public Long disLoveComment(String publishId) {
        User user = UserThreadLocal.get();
        //取消喜欢
        Boolean result = quanZiApi.disLoveComment(user.getId(), publishId);
        if (result){
            //查询喜欢数
            return quanZiApi.queryLoveCount(publishId);
        }
        return null;
    }

    @Override
    public QuanZiVo queryById(String publishId) {
        Publish publish = quanZiApi.queryPublishById(publishId);
        if (publish == null){
            return null;
        }
        return fillQuanZiVo(Arrays.asList(publish)).get(0);
    }

    /**
     * 查询评论列表
     *
     * @param publishId
     * @param page
     * @param pageSize
     * @return
     */
    @Override
    public PageResult queryCommentList(String publishId, Integer page, Integer pageSize) {
        PageResult pageResult = new PageResult();
        pageResult.setPage(page);
        pageResult.setPagesize(pageSize);

        User user = UserThreadLocal.get();

        //查询评论列表数据
        PageInfo<Comment> pageInfo = quanZiApi.queryCommentList(publishId,page,pageSize);
        List<Comment> records = pageInfo.getRecords();
        if (CollUtil.isEmpty(records)){
            return pageResult;
        }

        //查询用户信息
        List<Object> userIdList = CollUtil.getFieldValues(records,"userId");
        List<UserInfo> userInfoList = userInfoService.queryUserInfoByUserIdList(userIdList);

        List<CommentVo> result = new ArrayList<>();
        for (Comment record : records) {
            CommentVo commentVo = new CommentVo();
            commentVo.setContent(record.getContent());
            commentVo.setId(record.getId().toHexString());
            commentVo.setCreateDate(DateUtil.format(new Date(record.getCreated()),"HH:mm"));

            //是否点赞
            commentVo.setHasLiked(quanZiApi.queryUserIsLike(user.getId(), commentVo.getId()) ? 1:0);
            //点赞数
            commentVo.setLikeCount(Convert.toInt(quanZiApi.queryLikeCount(commentVo.getId())));

            for (UserInfo userInfo : userInfoList) {
                if (ObjectUtil.equal(record.getUserId(),userInfo.getUserId())){
                    commentVo.setAvatar(userInfo.getLogo());
                    commentVo.setNickname(userInfo.getNickName());

                    break;
                }
            }

            result.add(commentVo);
        }

        pageResult.setItems(result);

        return pageResult;
    }

    /**
     * 发表评论
     * @param publishId
     * @param content
     * @return
     */
    @Override
    public Boolean saveComments(String publishId, String content) {
        User user = UserThreadLocal.get();
        return quanZiApi.saveComment(user.getId(), publishId,content);
    }

    /**
     * 根据查询到的publish集合填充QuanZiVo对象
     *
     * @param records
     * @return
     */
    private List<QuanZiVo> fillQuanZiVo(List<Publish> records){
        List<QuanZiVo> quanZiVoList = new ArrayList<>();
        records.forEach(publish -> {
            QuanZiVo quanZiVo = new QuanZiVo();
            quanZiVo.setId(publish.getId().toHexString());
            quanZiVo.setTextContent(publish.getText());
            quanZiVo.setImageContent(publish.getMedias().toArray(new String[]
                    {}));
            quanZiVo.setUserId(publish.getUserId());
            quanZiVo.setCreateDate(RelativeDateFormat.format(new
                    Date(publish.getCreated())));
            quanZiVoList.add(quanZiVo);
        });

        //查询⽤户信息
        List<Object> userIds = CollUtil.getFieldValues(records, "userId");
        List<UserInfo> userInfoList = userInfoService.queryUserInfoByUserIdList(userIds);
        for (QuanZiVo quanZiVo : quanZiVoList) {
            //找到对应的⽤户信息
            for (UserInfo userInfo : userInfoList) {
                if (quanZiVo.getUserId().longValue() == userInfo.getUserId().longValue()) {
                    fillUserInfoToQuanZiVo(userInfo, quanZiVo);
                    break;
                }
            }
        }
        return quanZiVoList;
    }
}
